AD 2016-05-13
Effective 04/22/2016 · Published 03/18/2016
Airworthiness Directives; Pratt & Whitney Canada Corp. Turboprop Engines
Summary
We are adopting a new airworthiness directive (AD) for certain Pratt & Whitney Canada Corp. (P&WC) PT6A-60AG, -65AG, -67AF, and -67AG turboprop engines. This AD requires removing Woodward fuel control units (FCUs) and installing an FCU that is eligible for installation. This AD was prompted by incidents of corrosion and perforation of the two-ply Cu-Be bellows in Woodward FCUs. We are issuing this AD to prevent fail…